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mdbx: backport - fix mdbx_dbi_sequence().

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Change-Id: Ic620896ef42c1c2d85c07c146b72e773ab43a67d
This commit is contained in:
Leonid Yuriev 2018-10-19 13:33:27 +03:00
parent cc84f85722
commit 5acf2b126f
1 changed files with 9 additions and 0 deletions
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9
src/mdbx.c
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@ -12356,6 +12356,15 @@ int mdbx_dbi_sequence(MDBX_txn *txn, MDBX_dbi dbi, uint64_t *result,
if (unlikely(TXN_DBI_CHANGED(txn, dbi))) if (unlikely(TXN_DBI_CHANGED(txn, dbi)))
return MDBX_BAD_DBI; return MDBX_BAD_DBI;
if (unlikely(txn->mt_dbflags[dbi] & DB_STALE)) {
MDBX_cursor mc;
MDBX_xcursor mx;
/* Stale, must read the DB's root. cursor_init does it for us. */
int rc = mdbx_cursor_init(&mc, txn, dbi, &mx);
if (unlikely(rc != MDBX_SUCCESS))
return rc;
}
MDBX_db *dbs = &txn->mt_dbs[dbi]; MDBX_db *dbs = &txn->mt_dbs[dbi];
if (likely(result)) if (likely(result))
*result = dbs->md_seq; *result = dbs->md_seq;